invalidclassexception.java

来自「《移动Agent技术》一书的所有章节源代码。」· Java 代码 · 共 71 行

/*
 * @(#)InvalidClassException.java	1.5 97/01/22
 * 
 * Copyright (c) 1995, 1996 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * This software is the confidential and proprietary information of Sun
 * Microsystems, Inc. ("Confidential Information").  You shall not
 * disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into
 * with Sun.
 * 
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
 * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
 * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
 * THIS SOFTWARE OR ITS DERIVATIVES.
 * 
 * CopyrightVersion 1.1_beta
 */

package java.io;

/**
 * Raised when the Serialization runtime detects a problem with a Class.
 * The class may: <UL>
 * <LI> not match the serial version of the class in the stream
 * <LI> the class contains unknown datatypes
 * <LI> the class implements only one of writeObject or readObject methods
 * <LI> the class is not public
 * <LI> the class does not have an accessible no-arg constructor
 * </UL>
 *
 * @author  unascribed
 * @version 1.5, 01/22/97
 * @since   JDK1.1
 */
public class InvalidClassException extends ObjectStreamException {
    /**
     * @since   JDK1.1
     */
    public String classname;

    /**
     * Report a InvalidClassException for the specified reason.
     * @since   JDK1.1
     */
    public InvalidClassException(String reason) {
	super(reason);
    }

    /**
     * @since   JDK1.1
     */
    public InvalidClassException(String cname, String reason) {
	super(reason);
	classname = cname;
    }

    /**
     * Produce the message, include the classname if present.
     * @since   JDK1.1
     */
    public String getMessage() {
	if (classname == null) 
	    return super.getMessage();
	else
	    return classname + "; " + super.getMessage();
    }
}